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/*
 * SmartGWT (GWT for SmartClient)
 * Copyright 2008 and beyond, Isomorphic Software, Inc.
 *
 * SmartGWT is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version 3
 * as published by the Free Software Foundation.  SmartGWT is also
 * available under typical commercial license terms - see
 * http://smartclient.com/license
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 */

import com.smartgwt.client.data.DataSource;
import com.smartgwt.client.data.DataSourceField;
import com.smartgwt.client.types.FieldType;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.grid.ListGrid;

public class GridDataBindingDataSourceFieldsSample implements EntryPoint {

    public void onModuleLoad() {
        final ListGrid countryGrid = new ListGrid();
        countryGrid.setWidth(500);
        countryGrid.setHeight(224);
        countryGrid.setAlternateRecordStyles(true);
        countryGrid.setShowAllRecords(true);
        countryGrid.setDataSource(CountryDS.getInstance());
        countryGrid.setAutoFetchData(true);
        countryGrid.setCanEdit(true);

        countryGrid.draw();
    }

    private static class CountryDS extends DataSource {
        // The DataSource would normally be defined external to any classes that use it.

        private static CountryDS instance = null;
        
        public static CountryDS getInstance() {
            if (instance == null) {
              instance = new CountryDS("countryDS_DS");
            }
            return instance;
        }

        public CountryDS(String id) {
            setID(id);
            setRecordXPath("/List/country");
            DataSourceField countryNameField = new DataSourceField("countryName", FieldType.TEXT, "Country");
            DataSourceField countryCodeField = new DataSourceField("countryCode", FieldType.TEXT, "Code");
            DataSourceField independenceField = new DataSourceField("independence", FieldType.DATE, "Independence");
            DataSourceField populationField = new DataSourceField("population", FieldType.INTEGER, "Population");
            DataSourceField gdpField = new DataSourceField("gdp", FieldType.FLOAT, "GDP ($B)");

            setFields(countryNameField, countryCodeField, independenceField, populationField, gdpField);
            setDataURL("ds/test_data/country.data.xml");
        }

    }

}
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